Earbud



FIG. 1 is a front perspective view showing our new design for an earbud,

FIG. 2 is a rear perspective view thereof,

FIG. 3 is a right side view thereof,

FIG. 4 is a left side view thereof,

FIG. 5 is a top view thereof,

FIG. 6 is a bottom view thereof,

FIG. 7 is a front view thereof; and,

FIG. 8 is a rear view thereof.

The broken lines immediately adjacent the shaded areas represent the bounds of the claimed design while all other broken lines are directed to environment; the broken lines form no part of the claimed design. 

CLAIM The ornamental design for an earbud, as shown and described. 